/*

项目内容：贪吃蛇

开发环境：vs2013+easyx

*/

这个项目是一个小游戏—贪吃蛇项目，代码如下

#include

#include

//包含easyx图形库，可以使用给我们提供的一些函数，绘图，贴图

#include

#define WIN_WIDTH 640

#define WIN_HEIGHT 480

#define MAX_SNAKE 500 //蛇的最大节数

//枚举

enum DIR //枚举蛇的方向

{

UP,

DOWN,

LEFT,

RIGHT,

};

struct Food //食物

{

int x;

int y;

DWORD color;

bool flag;//是否被吃掉，是否要重新生成食物

}food;

struct Pos

{

int x;

int y;

DWORD color;

};

struct Snake//蛇的结构体

{

int num;//当前节数

int dir;//蛇的方向

int score;//分数

int size;//蛇的宽和高

int speed;//蛇的移动速度

//表示每一节蛇的坐标 数组

struct Pos coor[MAX_SNAKE];

}snake;

void GameInit()

{

//设置随机数种子

srand(GetTickCount());

snake.num = 3;

snake.dir = RIGHT;

snake.score = 0;

snake.size = 10;

snake.speed = 10;

snake.coor[2].x = 0;

snake.coor[2].y = 0;

snake.coor[2].color = RGB(rand() % 256, rand() % 256, rand() % 256);//随机生成三个数，用三原色表示颜色

snake.coor[1].x = 10;

snake.coor[1].y = 0;

snake.coor[1].color = RGB(rand() % 256, rand() % 256, rand() % 256);//随机生成三个数，用三原色表示颜色

snake.coor[0].x = 20;

snake.coor[0].y = 0;

snake.coor[0].color = RGB(rand() % 256, rand() % 256, rand() % 256);//随机生成三个数，用三原色表示颜色

//初始化食物

food.x = rand() % (WIN_WIDTH/10)*10;//1*10  10 20 30 40 50 60

food.y = rand() % (WIN_HEIGHT/10)*10;

food.color = RGB(rand() % 256, rand() % 256, rand() % 256);//随机生成三个数，用三原色表示颜色

food.flag = true;

}

void GameDraw()

{

cleardevice();

for (int i = 0; i < snake.num; i++)

{

//设置填充颜色

setfillcolor(snake.coor[i].color);

//画矩形

fillrectangle(snake.coor[i].x, snake.coor[i].y, snake.coor[i].x + 10, snake.coor[i].y + 10);

}

//绘制食物

//solidcircle(food.x,food.y,5)

if (food.flag)

{

setfillcolor(food.color);

solidellipse(food.x, food.y, food.x + 10, food.y + 10);

}

//绘制分数

//先把整数转成字符串

char temp[20] = " ";

sprintf(temp, "分数：%d", snake.score);

outtextxy(10,10,temp);//如果报错  “outtextxy”: 2 个重载中没有一个可以转换所有参数类型  一定是字符集问题

/*怎么修改字符集呢？三种方法

*/

}

void GameMove()

{

for (int i = snake.num-1; i >0; i--)

{

snake.coor[i].x = snake.coor[i - 1].x;

snake.coor[i].y = snake.coor[i - 1].y;

}

switch(snake.dir)

{

case UP:

snake.coor[0].y -= snake.speed;

if (snake.coor[0].y < 0)

{

snake.coor[0].y = WIN_HEIGHT;

}

break;

case DOWN:

snake.coor[0].y += snake.speed;

if (snake.coor[0].y > WIN_HEIGHT)

{

snake.coor[0].y = 0;

}

break;

case LEFT:

snake.coor[0].x -= snake.speed;

if (snake.coor[0].x < 0)

{

snake.coor[0].x = WIN_WIDTH;

}

break;

case RIGHT:

snake.coor[0].x += snake.speed;

if (snake.coor[0].x > WIN_WIDTH)

{

snake.coor[0].x = 0;

}

break;

}

}

void GameControl()

{

//获取键盘输入，_getch(); 不回显函数，

char key = _getch();

switch (key)

{

case 72:

if (snake.dir!=DOWN)

{

snake.dir = UP;

}

break;

case 80:

if (snake.dir != UP)

{

snake.dir = DOWN;

}

break;

case 75:

if (snake.dir != RIGHT)

{

snake.dir = LEFT;

}

break;

case 77:

if (snake.dir != LEFT)

{

snake.dir = RIGHT;

}

break;

}

printf("%d\n", key);

}

void CreateFood()

{

if (!food.flag)

{

food.x = rand() % (WIN_WIDTH / 10) * 10;//1*10  10 20 30 40 50 60

food.y = rand() % (WIN_HEIGHT / 10) * 10;

food.color = RGB(rand() % 256, rand() % 256, rand() % 256);//随机生成三个数，用三原色表示颜色

food.flag = true;

}

}

void EatFood()

{

if (food.flag && snake.coor[0].x == food.x && snake.coor[0].y == food.y)

{

food.flag = false;

snake.num++;

snake.score += 10;

snake.coor[snake.num-1].color = RGB(rand() % 256, rand() % 256, rand() % 256);//随机生成三个数，用三原色表示颜色

CreateFood();

}

}

int main()

{

//1，创建窗口，init初始化 graphics 图形窗口

initgraph(WIN_WIDTH, WIN_HEIGHT, SHOWCONSOLE);

setbkcolor(RGB(207, 214, 229));//设置颜色

cleardevice();//刷新窗口

GameInit();

while (1)

{

GameDraw();

GameMove();

if (_kbhit())

{

GameControl();

}

EatFood();

Sleep(100);

}

getchar();

return 0;

}

大家有兴趣学习C语言/C++的欢迎大家进群一起学习啊，我把进群链接放在下面